.bottom-navigation {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 56px;
  padding-bottom: env(safe-area-inset-bottom);
  background: #fff;
  border-top: 1px solid #f0f0f0;
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: 1000;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.05);
}

.nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  cursor: pointer;
  color: #666;
  transition: all 0.3s;
  -webkit-tap-highlight-color: transparent;
}

.nav-item.active {
  color: #1890ff;
}

.nav-item:active {
  transform: scale(0.95);
  background: #f5f5f5;
}

.nav-icon {
  display: block;
  margin-bottom: 2px;
}

.nav-label {
  font-size: 11px;
  line-height: 1;
  white-space: nowrap;
}

/* 为底部导航留出空间 */
.page-with-bottom-nav {
  padding-bottom: calc(56px + env(safe-area-inset-bottom));
}
